Verizon customers were reporting outages Monday morning in Los Angeles and across the United States. Outages began around 6 a.m. in the Los Angeles area, according to the website Downdetector. Most of the outages reported early Monday were in Chicago, Minneapolis and other Midwest cities with other reports coming from Phoenix and Denver.

Some Verizon customers across the U.S. were hit by a service outage Monday. The issue appeared to knock out cellphone service for tens of thousands of Verizon users. Data from outage tracker DownDetector shows that reports topped 100,